import java.util.*;
import java.util.stream.*;
import java.io.*;

class Solution{
    public static void main(String []argh){
        Scanner in = new Scanner(System.in);
        int t=in.nextInt();
        for(int i=0;i<t;i++){
            int a = in.nextInt();
            int b = in.nextInt();
            int n = in.nextInt();
            int number=0;
    
               for(int x=0;x<n;x++){
                if(x==0){
                    number=(a+(b*(int)Math.pow(2,x)));
                }else{
                    number+=(b*(int)Math.pow(2,x)); 
                }
                System.out.format("%d ",number);
            }
            
            System.out.println();
        }
        in.close();
    }
}